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| Intel Core2 Duo E8400 vs AMD Athlon II X2 B26 |
Released January, 2008
Intel Core2 Duo E8400
- 3 GHz
- Dual core
Reasons to buy the Intel Core2 Duo E8400
![]() | Significantly better overclocked clock speed (Air) 4.22 GHz | ![]() | Much better overclocked clock speed (Water) 4.23 GHz |
VS
Released May, 2010
AMD Athlon II X2 B26
- 3.2 GHz
- Dual core
Reasons to buy the AMD Athlon II X2 B26
![]() | Higher clock speed 3.2 GHz | ![]() | Higher Maximum operating temperature 74 °C |
![]() | Newer May, 2010 |
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Differences What are the advantages of each
| |||||||
Significantly better overclocked clock speed (Air) | 4.22 GHz | vs | 4 GHz | More than 5% better overclocked clock speed (Air) | |||
---|---|---|---|---|---|---|---|
Much better overclocked clock speed (Water) | 4.23 GHz | vs | 3.2 GHz | More than 30% better overclocked clock speed (Water) | |||
| |||||||
Higher clock speed | 3.2 GHz | vs | 3 GHz | More than 5% higher clock speed | |||
Higher Maximum operating temperature | 74 °C | vs | 72.4 °C | Almost the same | |||
Newer | May, 2010 | vs | Jan, 2008 | Release date over 2 years later |
Benchmarks Real world tests of Core2 Duo E8400 vs Athlon II X2 B26
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Core2 Duo E8400
2,982
Athlon II X2 B26
3,070
GeekBench 3 (Single core) Data courtesy Primate Labs
Core2 Duo E8400
1,625
Athlon II X2 B26
1,635
GeekBench 3 (AES single core) Data courtesy Primate Labs
Core2 Duo E8400
128,000 MB/s
Athlon II X2 B26
129.4 MB/s
PassMark Data courtesy Passmark
Core2 Duo E8400
2,160
Athlon II X2 B26
1,820
PassMark (Single Core)
Core2 Duo E8400
1,251
Athlon II X2 B26
1,093
Specifications Full list of technical specs
summary | Core2 Duo E8400 | vs | Athlon II X2 B26 |
---|---|---|---|
Clock speed | 3 GHz | 3.2 GHz | |
Cores | Dual core | Dual core | |
features | |||
Has a NX bit | Yes | Yes | |
Has virtualization support | Yes | Yes | |
Instruction set extensions | |||
SSE4a | |||
SSE2 | |||
MMX | |||
SSE3 | |||
SSE | |||
SSE4.1 | |||
3DNow! | |||
Supplemental SSE3 | |||
Supports dynamic frequency scaling | Yes | Yes | |
bus | |||
Clock speed | 1,333 MHz | 2,000 MHz |
details | Core2 Duo E8400 | vs | Athlon II X2 B26 |
---|---|---|---|
Threads | 2 | 2 | |
L2 cache | 6 MB | 2 MB | |
L2 cache per core | 3 MB/core | 1 MB/core | |
Manufacture process | 45 nm | 45 nm | |
Max CPUs | 1 | 1 | |
Operating temperature | Unknown - 72.4°C | Unknown - 74°C | |
overclocking | |||
Overclocked clock speed | 4.22 GHz | 4 GHz | |
Overclocked clock speed (Water) | 4.23 GHz | 3.2 GHz | |
Overclocked clock speed (Air) | 4.22 GHz | 4 GHz | |
power consumption | |||
TDP | 65W | 65W | |
Annual home energy cost | 15.66 $/year | 15.66 $/year | |
Annual commercial energy cost | 56.94 $/year | 56.94 $/year | |
Performance per watt | 1.83 pt/W | 1.25 pt/W | |
Typical power consumption | 52.81W | 52.81W |
Intel Core2 Duo E8400 ![]() | AMD Athlon II X2 B26 ![]() |
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